.page-faq {
  --faq-wine-veil: rgba(107, 18, 48, 0.36);
  --faq-wine-deep: rgba(107, 18, 48, 0.62);
  --faq-violet-veil: rgba(122, 43, 255, 0.26);
  --faq-surface: rgba(11, 18, 32, 0.62);
  --faq-text: rgba(232, 241, 248, 0.78);
  padding-bottom: 56px;
}

.page-faq .breadcrumb {
  margin: 18px 0 22px;
}

/* ── 首屏 ───────────────────────────── */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 18px 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 150% at 100% 0%, var(--faq-violet-veil), transparent 58%),
    linear-gradient(166deg, var(--faq-wine-deep), rgba(11, 18, 32, 0.95) 66%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 48%, var(--magenta));
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(27px, 6.2vw, 44px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero .lead {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-signals li {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(36, 224, 255, 0.07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ── 侧栏 + 主体 ───────────────────── */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.page-faq .faq-rail {
  padding: 14px 12px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(14, 42, 51, 0.42);
}

.page-faq .faq-rail .annotation {
  margin: 0 0 10px;
}

.page-faq .anchor-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--line-soft);
}

.page-faq .anchor-link {
  display: block;
  margin-left: -1px;
  padding: 8px 10px 8px 14px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .anchor-link:hover,
.page-faq .anchor-link:focus-visible {
  color: var(--mist);
  border-left-color: rgba(36, 224, 255, 0.6);
}

.page-faq .anchor-link[aria-current="true"] {
  color: var(--lemon);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(36, 224, 255, 0.14), transparent);
}

/* ── 分区 ───────────────────────────── */
.page-faq .faq-sec {
  position: relative;
  scroll-margin-top: calc(var(--top-h) + 20px);
  padding: 22px 16px 26px;
  margin-bottom: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--faq-wine-veil), rgba(11, 18, 32, 0.55) 48%);
}

.page-faq .faq-sec:last-child {
  margin-bottom: 0;
}

.page-faq .faq-media {
  position: relative;
  margin: 18px 0 4px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(36, 224, 255, 0.24);
}

/* ── 三步重登 ───────────────────────── */
.page-faq .step-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-item {
  position: relative;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--lemon);
  border-radius: var(--radius);
  background: var(--faq-surface);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-faq .step-item:has(input:checked) {
  border-left-color: var(--mint);
  background: rgba(91, 231, 169, 0.09);
}

.page-faq .step-check {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 15px 16px 14px;
  cursor: pointer;
}

.page-faq .step-check input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .step-check:focus-within .step-dot {
  box-shadow: 0 0 0 3px rgba(36, 224, 255, 0.32);
}

.page-faq .step-dot {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: rgba(36, 224, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--lemon);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-faq .step-item:has(input:checked) .step-dot {
  border-color: var(--mint);
  background: var(--mint);
  color: #04140d;
}

.page-faq .step-copy {
  display: block;
  min-width: 0;
}

.page-faq .step-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-faq .step-text {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-text);
}

.page-faq .step-time {
  display: inline-block;
  margin-top: 9px;
  padding: 2px 8px;
  border: 1px dashed rgba(255, 225, 77, 0.45);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lemon);
}

.page-faq .step-footnote {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(36, 224, 255, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-text);
}

/* ── 折叠问答 ───────────────────────── */
.page-faq .qa-item {
  margin-top: 10px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--lemon);
  border-radius: var(--radius);
  background: var(--faq-surface);
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-faq .qa-item[open] {
  border-left-color: var(--cyan);
  background: rgba(14, 42, 51, 0.74);
}

.page-faq .qa-q {
  position: relative;
  padding: 14px 42px 14px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

.page-faq .qa-q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-q::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.24s ease;
}

.page-faq .qa-item[open] .qa-q::after {
  content: "–";
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .qa-q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa-a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-ghost);
}

.page-faq .qa-a p {
  max-width: 64ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .qa-a ol {
  margin: 10px 0 0;
  padding-left: 20px;
}

.page-faq .qa-a li {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-text);
}

/* ── 人工协助 ───────────────────────── */
.page-faq .human-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.page-faq .human-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .human-list li {
  padding: 11px 13px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--lemon);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.55);
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .human-contact {
  margin-top: 18px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(107, 18, 48, 0.5), rgba(11, 18, 32, 0.85) 70%);
}

.page-faq .human-contact .contact-list {
  margin: 0;
}

.page-faq .human-contact .contact-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── 继续操作 ───────────────────────── */
.page-faq .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .next-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.58);
  text-decoration: none;
  transition: border-color 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.page-faq .next-card:hover,
.page-faq .next-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(36, 224, 255, 0.08);
  transform: translateX(3px);
}

.page-faq .next-index {
  grid-row: span 2;
  align-self: start;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lemon);
}

.page-faq .next-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .next-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-text);
}

/* ── 桌面布局 ───────────────────────── */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 40px 44px 42px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 204px minmax(0, 1fr);
    gap: 34px;
    margin-top: 38px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--top-h) + 24px);
    align-self: start;
    padding: 18px 14px 20px;
  }

  .page-faq .faq-sec {
    padding: 30px 30px 34px;
    margin-bottom: 24px;
  }

  .page-faq .human-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
  }

  .page-faq .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-shell {
    grid-template-columns: 228px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-item,
  .page-faq .qa-item,
  .page-faq .next-card,
  .page-faq .anchor-link,
  .page-faq .qa-q::after {
    transition: none;
  }

  .page-faq .next-card:hover,
  .page-faq .next-card:focus-visible {
    transform: none;
  }
}